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7mm scale 65ft turntable

  • 7mm/ft O scale 65ft turntable kit
  • 7mm/ft O scale 65ft turntable kit. Pictured here with a GWR King Class loco.  (thanks to Robin Baker for the loan of his loco!)
  • Bridge framework without decking
  • chequer-plate adds interesting detail, and optional C&L code125 rail and chairs look great. simple jig centres the rails
  • 28mm delrin wheels with ball race bearings give smooth ride with minimal friction
  • "Big Worm" 0.6rpm motor has plenty off grunt.  Tested up to 4kg weight across the bridge.
  • Image 7
  • cross section. girder bridge with outriggers for decking support and hand rails
  • UK modeller Mike Abel's turntable with his 9F
  • 7mm O scale 65ft turntable
  • Mark Pollard installed his 65ft turntable in a roundhouse
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Product Description

65ft O scale (7mm/ft scale) turntable complete kit.

These are now manufactured on a roughly 6 week rotation

I have no motors at the moment, but that doesn't stop you making the turntable :) You can buy without motor, and add it later when I have them in. THE DEFAULT OPTION IS "NO MOTOR"

 An adapter for ADM's most excellent indexing system is available. I highly recommend this product for "maximum turntable driving pleasure"   (is that too much?  Nah - I love mine!)

This kit is great for turning your large locos. Fit for a King!  It picks up generic features found across the UK, rather than focusing on a particular prototype.

Assembly is straightforward with step by step instructions with many photos. No need for clever solder skills it really is for the "average" modeller. Kit comes all the needed electrical contacts for the bridge and is "DCC sound friendly" - no gaps in supply!

Purists beware! This kit is for modellers who want something that will not look out of place, is simple to put together, and who want to "play trains" without spending a fortune. If counting rivets is your thing this turntable kit is not for you.

 bridge dimensions

65ft 7mm/ft bridge diameter = 455mm

bridge track deck width = 47mm

deck width between handrails = 91mm

Pit dimensions:

Outer rim = 487.5mm

hole required = 475mm

pit depth:  31mm at centre, 25mm at edge


Drive train options:-

Hand from heaven!  In most basic form of the kit turning is hand from above using the push poles.

Motor power "Big worm" 0.6rpm motor will turn the bridge just fine with the free-running 28mm wheels. BUT....its a very cheap motor. It has backlash. It has no lock when the motor has stopped. That means the motor itself will not hold the bridge still.  This motor is reused from the 13.5" turntables - and it works fine with those, but when driving your 3kg loco on and off this 18" bridge its more of an ask. I have sold a lot of these 65ft TTs and most modellers have made it work for them. That said, success with this motor is not guaranteed. Now I have told you, if you go ahead and add the motor, I will not have to give you the "you get what you pay for" lecture if it doesn't work out for you :)  This is why I have removed the motor from the kit as default.

Bridge lock.  I'd say with this large 18" bridge it would be desirable to have a bridge lock device if you attempt to use my "big worm" motor. As yet, the kit doesn't have one. Several customers have made their own - some with a mechanical arrangement, some with clever servos.. IF YOU USE THE ADM indexing unit it has an active brake that holds the bridge exactly where it stops.... rock still!

ADM Indexing system  You "need" this :) I have made an adapter to allow the turntable to work with ADM indexed O scale drive systems. This is the ultimate experience in turntable operation! I love mine - excellent quality, smooth, quiet and high "play" value!! ADM is the Rolls Royce of the turntable indexing world!  Order the indexing system from Alastair at ADM, (you will need his O scale "Kitwood" variant) and I can supply the mounting adapter. ADM ship internationally.

DCC or DC. Like all KHM turntables can be used with either system. The track power PCB connection rings are continuous so there are no disconnects to DCC decoders with sound as the bridge turns. The contact plungers are 6A rated quality items from the electronics industry. Polarity can be handled with a DCC reversing module or a simple DPDT switch for DC.

Primary shaft turning plate: the heart of all KHM turntables and now proven design. This is a jig-built, ready-assembled item with the 4mm primary shaft pinned and epoxied into a milled brass section. She ain't slipping!!


Assembly and construction:-

Bridge is made of laser cut ply of various types and thickness with hardwood decking. Glued together with step by step photo instructions. Not hard. Novices have built my turntables!

Bridge track: C&L chairs and code 124 rail is now included as standard. this match Peco code 124. You cant just slap a bit sleepered track along the deck!

Pit is laser cut 3mm and 4mm ply. Because of the weight of locos it is best to support the turntable from below, rather than the rim (unlike other KHM turntables)

While the kit will make up a whole pit with base , because of the size it is strongly recommended to fix an additional flat rigid 9mm ply surface to the underside to maintain rigidity. This isn't in the kit because that would weigh far too much and be too big to ship!

Ring rail:  Code 82 (included) is soldered to PCB sleepers and a simple jig helps you get it circular and set in the right place. All KHM turntables use the method and its well proven over last years. Its simple, even for novice solderers - honest.

bridge wheels: turned from Delrin on KHM's lathe with ball-race bearings. the same method as the 48ft turntable but with a larger 28mm diameter. They are wide enough to be forgiving of "assembly tolerance" of the ring rail.

INSTRUCTIONS ARE NOT PRINTED. This would be high cost, and heavier to ship. This way I can include very many photos. The PDF files are emailed to you when the kit is shipped. If you want to see instructions to help your purchasing decision then I happy to send without obligation. Electrons are free!  Just contact me by email at sales@kitwoodhillmodels.com.





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Product Reviews

  1. Turn to perfection 5 Star Review

    Posted by on 11th Apr 2018

    Having spent months working on sourcing a turntable for my newly constructed 0 gauge layout, I came across 'Kitwood Hill Models', after a detailed discussion with Simon he offered to produce a turntable that would suit my requirements of a 65ft version. The result is superb and fits into my scheme perfectly. This table comes with good built instructions and works like the real thing, well pleased. At £95 this table is a snip as other makes come in at around £260.

  2. O gauge turntable 5 Star Review

    Posted by on 8th Apr 2018

    Really impressed with the kit it has gone together a treat, works well and runs/turns smoothly and slow. I am building an o gauge round house and it looks good, just need to paint and weather.
    Well done on a great kit at a good value price.